Cheapest return flights from Boston (BOS) to Lisbon (LIS), December

20 dates in December, from $ 454. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
13 Dec 22 Dec Iberia
13 Dec 26 Jan 2027 Iberia
6 Dec 22 Dec Iberia
8 Dec 15 Dec Iberia
8 Dec 16 Dec Iberia
1 Dec 11 Dec Iberia
2 Dec 11 Dec Iberia
31 Dec 29 Jan 2027 Iberia
9 Dec 13 Dec Iberia
8 Dec 13 Dec Iberia
4 Dec 11 Dec Iberia
13 Dec 19 Dec TAP
11 Dec 18 Jan 2027 Iberia
14 Dec 26 Jan 2027 Azores Airlines
15 Dec 26 Jan 2027 Azores Airlines
16 Dec 26 Jan 2027 Azores Airlines
17 Dec 26 Jan 2027 Azores Airlines
13 Dec 26 Jan 2027 TAP
Direct Flight
14 Dec 26 Jan 2027 TAP
Direct Flight
16 Dec 1 Jan 2027 Azores Airlines
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Deals for one-way flights from Boston to Lisbon in December.

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About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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